Karolidis, Pavlos <br/><br/>
Η Ευρώπη κατά τον 19ον αιώνα  [electronic resource] / 
Pavlos Karolidis 
 -  Project Gutenberg,  2012 
 - Project Gutenberg  40150 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text